⦁ Calculate the residuals for your scatterplot in step 2d. ⦁ Does your residual plot show that the linear model from the regression calculator is a good model? Explain your reasoning.

⦁ Using your equation from step 2d, estimate the GPA of a student who studies for 15 hours a week. Justify your answer.

⦁ Does your residual plot show that the linear model from the regression calculator is a good model? Explain your reasoning.

Step 4: Make a prediction with your data.
⦁ Using your equation from step 2d, estimate the GPA of a student who studies for 15 hours a week. Justify your answer.